I've had a pair* of Philips' £90
SHB8850NC cans for about a year now, and get used probably most days I'm in the office at some point.
Positives:
+ Cheap! At least compared to the lines of Bose or Sennheiser's offerings.
+ Battery life is probably 10-12 hours with the Bluetooth and ANC on.
+ Pretty comfy in my opinion, although YHeadMV.
+ Audio quality is pretty decent, although they're not particularly bass-y - especially with the ANC switched on.
+ The Bluetooth seems pretty solid and largely Just Works. I can't comment on the NFC pairing as I've never used it, but it's there.
Neutral:
~ Never had chance to compare the ANC with that from Bose, so can't comment on that either.
Negatives:
- I'm on my second pair, as the NC packed in on the first ones after about 10 months and some of the buttons became tempermental. Currys replaced them on the spot, no bother. I'm still erring on the "rogue dud" theory rather than a general lack of build quality.
- The microphone is up on the earpad so call quality isn't great, from the little I've tried. I definitely couldn't get it to work with Skype, too quiet.
- Echoing what The Kim said about the strengths/weaknesses of ANC - good for machine noise, less so for other sounds. Mine don't completely kill traffic noise as a pedestrian, but it helps, and as a car passenger they're lovely. For office noise, the way I describe it is that it feels like I've just got a bit more space around me than without them on.